heating up a solvent decreases the sweet taste of the drink, what is the independent, controlled, and dependent variables?

2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury